以干砂糖桔皮为原料，通过对料液比、浸提温度、浸提时间进行单因素试验和L9（33）正交试验，对桔皮果胶提取工艺进行优化。结果表明：桔皮果胶提取的最佳工艺条件为：料液比1∶30（g∶mL）、温度90℃、时间1.5 h，在此条件下桔皮中果胶得率为26.74%。将得到的砂糖桔皮果胶通过活性炭脱色、干燥处理，得到质量较好的果胶产品。%With the dried orange peel as raw material, the extraction of pectin from Shatang orange peel through L9(33) orthogonal test was studied. The results showed that the optimal process of pectin was as follows:liquid ratio 1∶30, temperature 90℃, time 1.5 h. Under this extract condition, the pectin rate was 26.74%.
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